tumor


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to tumor: malignant tumor, Fatty tumor, benign tumor

tu·mor

 (to͞o′mər, tyo͞o′-)
n.
1. An abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function; a neoplasm.
2. A swollen part; a swelling: a plant tumor.

[Middle English tumour, from Latin tumor, from tumēre, to swell; see teuə- in Indo-European roots.]

tu′mor·al, tu′mor·ous adj.

tu•mor

(ˈtu mər, ˈtyu-)

n.
1. a swollen part; swelling; protuberance.
2. an uncontrolled, abnormal, circumscribed growth of cells in any animal or plant tissue; neoplasm.
Also, esp. Brit.,tu′mour.
[1535–45; < Latin: a swelling =tum(ēre) to swell + -or -or1]
tu′mor•ous, tu′mor•al, adj.

tu·mor

(to͞o′mər)
An abnormal growth of tissue resulting from uncontrolled growth of cells and serving no function within the body; a cancerous growth. Tumors can be benign (unlikely to spread to other body parts) or malignant (likely to spread). See Note at cancer.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tumor - an abnormal new mass of tissue that serves no purposetumor - an abnormal new mass of tissue that serves no purpose
growth - (pathology) an abnormal proliferation of tissue (as in a tumor)
acanthoma, skin tumor - a neoplasm originating in the epidermis
angioma - a tumor consisting of a mass of blood or lymphatic vessels
blastocytoma, blastoma, embryonal carcinosarcoma - a tumor composed of immature undifferentiated cells
brain tumor, brain tumour - a tumor in the brain
carcinoid - a small tumor (benign or malignant) arising from the mucosa of the gastrointestinal tract; usually associated with excessive secretion of serotonin
celioma - an abdominal tumor
granuloma - a tumor composed of granulation tissue resulting from injury or inflammation or infection
adipose tumor, lipoma - a tumor consisting of fatty tissue
malignant neoplasm, malignant tumor, metastatic tumor - a tumor that is malignant and tends to spread to other parts of the body
meningioma - a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant
neurilemoma, neurofibroma - tumor of the fibrous covering of a peripheral nerve
neuroma - any tumor derived from cells of the nervous system
phaeochromocytoma, pheochromocytoma - a vascular tumor of the adrenal gland; hypersecretion of epinephrine results in intermittent or sustained hypertension
pinealoma - tumor of the pineal gland
plasmacytoma - neoplasm of plasma cells (usually in bone marrow)
psammoma, sand tumor - a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles
teratoma - a tumor consisting of a mixture of tissues not normally found at that site
Translations
nádor
svulst
kasvain
tumor
腫瘍
종양
nádor
tumor
tumör
เนื้องอก
khối u

tumor

وَرَم nádor svulst Tumor όγκος tumor kasvain tumeur tumor tumore 腫瘍 종양 tumor svulst guz tumor опухоль tumör เนื้องอก ur khối u 肿瘤

tu·mor

n. bulto o hinchazón; tumor.
crecimiento espontáneo de tejido nuevo en masa que no tiene propósito fisiológico alguno;
diffuse ______ difuso;
inflammatory ______ inflamatorio;
medullary ______ medular;
necrotic ______ necrótico;
nonsolid ______ no sólido;
radioresistant ______ radiorresistente;
radiosensitive ______ radiosensitivo;
scirrhous ______ escirroso;
undifferentiated ______ no diferenciado.

tumor

adj tumoral; n tumor m; benign — tumor benigno; brain — tumor cerebral; desmoid — tumor desmoide; malignant — tumor maligno; Wilms' — tumor de Wilms
References in classic literature ?
The doctors open the body and say with an air of profound learning, `The subject his died of a tumor on the liver, or of typhoid fever
Minchin's paper, and by this means became a subject of compassionate conversation in the neighboring shops of Churchyard Lane as being afflicted with a tumor at first declared to be as large and hard as a duck's egg, but later in the day to be about the size of "your fist.
But by-and-by Nancy, in her attic, became portentously worse, the supposed tumor having indeed given way to the blister, but only wandered to another region with angrier pain.
Our own experience has corroborated the lessons taught by the examples of other nations; that emergencies of this sort will sometimes arise in all societies, however constituted; that seditions and insurrections are, unhappily, maladies as inseparable from the body politic as tumors and eruptions from the natural body; that the idea of governing at all times by the simple force of law (which we have been told is the only admissible principle of republican government), has no place but in the reveries of those political doctors whose sagacity disdains the admonitions of experimental instruction.
Patients with an endolymphatic sac tumor (ELST) typically present with palsy of cranial nerves VII and/or VIII; other presenting symptoms include hearing loss, otalgia, occipital headaches, cranial nerve palsies, vertigo, gait ataxia, tinnitus, and otorrhea.
With an array of technology and compounds being tested around the world, we trust our doctors to give it their best shot to kill the tumor and have us resume a normal life in a few months.
Experiments spanning several decades have shown, however, that as many as one million murine or human tumor cells are required to transplant a new tumor from an existing one.
To show the protein's role in tumor development, Karin and his team genetically engineered mice to lack the gene for IKK-beta in specific parts of their bodies.
In 2002 Prima BioMed announced exciting results in mice that demonstrated the effectiveness of a tumor targeting antibody against human breast, colon and prostate cancer cell lines.
Michael O'Reilly, a Folkman associate who presented the prostate tumor data to a group of Harvard physicians and medical students at Beth-Israel Deaconess Medical Center recently.
But tumor cells have developed ways of switching off the immune system to their presence, thwarting any possible attack," Stevenson says.
This overactivity can usually be traced to a very small, benign tumor in the gland that releases too much prolactin, called a prolactinoma.